José María Avilés (or: Avilez) is a province in the western parts of the Bolivian department of Tarija.
The province borders Eustaquio Méndez Province in the north, Potosí Department in the west, Argentina in the south, Aniceto Arce Province in the south-east, and Cercado Province in the north-east.
Main idiom of the province is Spanish.
81.6% of the population have no access to electricity, 82.9% have no sanitary facilities (1992).
77.0% of the population are employed in agriculture, 0.1% in mining, 3.7% in industry, 19.2% in general services (2001).